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Cum se rezolva 5/2x+1/2=1
Imi ziceti va rogg??


Răspuns :

5/2x+1/2=1
2.5x+0.5=1
2.5x=0.5
x=0.5/2.5
x=0.2
5/2x+1/2=1
5/2x+x/2x=2x/2x   (  ×2x)
5+x=2x
x-2x=-5
-x= -5        (·-1)
x=5